Tous les combattants
 | Yushi Sakura | 1-0-0 REC | #4131 |  |
 | Yushin Okami | 14-7-0 UFC | #207 | |
 | Yusuf Ali-Taleb | 1-0-0 REC | #2230 |  |
 | Yusuf Bobizoda | #7263 |  | |
 | Yusuf Karakaya | 1-0-0 REC | #4031 |  |
 | Yusuf Nazokatov | 1-2-0 REC | #3197 | |
 | Yusuf Raisov | 1-0-0 REC | #2661 |  |
 | Yusuke Kasuya | 0-2-0 UFC | #3968 | |
 | Yusuke Yachi | 2-2-0 REC | #1278 | |
 | Yusup Umarov | 0-1-0 REC | #4339 | |
 | Yusup-Khadzhi Zubariev | 3-2-0 REC | #515 | |
 | Yuta Kubo | 0-1-0, 1NC REC | #3644 | |
 | Yuta Sasaki | 4-5-0 UFC | #2075 | |
 | Yutaka Saito | #7290 | | |
 | Yutaro Muramoto | 0-1-0 REC | #7016 | |
 | Yuto Hokamura | 1-2-0 REC | #1202 | |
 | Yuya Shibata | 0-1-0 REC | #5847 | |
 | Yves Antibe Zanga | 0-1-0 REC | #6074 |  |
 | Yves Edwards | 10-10-0, 1NC UFC | #902 |  |
 | Yves Jabouin | 5-5-0 UFC | #2095 |  |
 | Yves Landu | 5-1-0 REC | #1911 |  |
 | Zabit Magomedsharipov | 6-0-0 UFC | #780 | |
 | Zac Pauga | 1-3-0 UFC | #3180 | |
 | Zach Conn | 0-1-0 REC | #7100 | |
 | Zach Gehl | 0-1-0 REC | #6913 |  |